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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 16:14:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:48 +0100
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-ixp4xx/include/mach/timex.h
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/timex.h')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/timex.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h
new file mode 100644
index 00000000000..89ce3ee8469
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/timex.h
@@ -0,0 +1,15 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/timex.h
+ *
+ */
+
+#include <mach/hardware.h>
+
+/*
+ * We use IXP425 General purpose timer for our timer needs, it runs at
+ * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the
+ * timer register ignores the bottom 2 bits of the LATCH value.
+ */
+#define FREQ 66666666
+#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
+